Abstract: All-optical signal up-conversion into the millimeter-wave frequency band is demonstrated using a semiconductor optical amplifier Mach-Zehnder interferometer (SOA-MZI) wavelength converter, ...

Researchers say latch-effect could make GaN-based RF power amplifiers quicker, more powerful and more reliable New research ...

For the design of future materials, it is important to understand how the individual atoms inside a material interact with ...

Ron and Russell Mael smile indulgently at me like affectionate uncles. “The Sparks Brothers”—as filmmaker Edgar Wright dubbed ...

MEMORIAL DAY: The day will be similar to Sunday. Highs will be around 94 degrees and heat index values will exceed 100 in more places. Once again, in the afternoon and evening, some thunderstorms ...

MACON, Ga. — A line of storms quickly lost its steam early this morning, which will lead the way into a mostly dry and partly cloudy day for most of Tuesday. This heating throughout the day will ...

EXCLUSIVE Mother who was kept awake for four days and banned from cutting her hair or seeing by abusive addict ex-boyfriend who drove her into traffic reveals fears for her children after he's ...

This prospective randomised study evaluated narrow-band imaging (NBI), a new technique that may enhance ... rate in the conventional group may have been caused by a training effect of better polyp ...

College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, ...